This sensor can identify the presence or absence of sound. It can also detect any noise in front of the sensor itself. You'll find plenty of variations on the Robotics Bangladesh platform. Shop now!
Reference: RBD-0291
Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.
Reference: RBD-0550
Supply Voltage: 4.5 – 5.5 V. Current : <40 mA. Digital Interface : 5V TTL level for UART interface and GPIO. Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking). Maximum 7 voice commands effective at same time. Arduino library is supplied. User-control General Pin Output. RoboticsBD
Reference: RBD-0690
The main chip: ISD1820. Operating Voltage: DC 3V-5V. Loudspeaker: 8Ω, 0.5W. An easy to use 10 seconds of voice recording. High-quality, natural voice restored. Can be used as a propaganda module. With looping, jog playback, single-pass play function.
Reference: RBD-1022
Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.
Reference: RBD-1324
Operating voltage: 2.5V-5.5V Maximum output power: 3W x 2 PCB size is about: length 30mm width 22mm overall height after installed is about 16mm Built with switch Potentiometer, can adjust the volume & control power switch freely! Flexible assembly usage.
Reference: RBD-1738
Operating Voltage : 1.5 ~ 15V DC Working Current: Less than 25mA Tone Generation Range : 1.5 ~ 2.5kHz Dimensions (LxWxH): 26 x 15 x 11 mm
Reference: RBD-1753
Digital I2S interface with high precision 24-bit data High signal to noise ratio is 61 dBA High sensitivity – 26 dBFS Stable frequency response from 60 Hz to 15 kHz Low power consumption: low current consumption 1.4 mA High PSR: -75 dBFS
Reference: RBD-1773
Supply Voltage: 5V USB / 3.7V lithium battery Output Port: 3-wire audio interface/DIY pad Output Type: Analog signal Bluetooth name: VHM-314-V3.0 Bluetooth version: 5.0 Bluetooth passcode: no password Sound source: Bluetooth. USB-PC input(after the back pad is connected, the computer can be connected as a sound card though Micro) Operation method:...
Reference: RBD-1772
Small size package Local voice Customized voice wake-up/command words Universal Serial Port Protocol Support Chinese and English The number of command words reaches 150
Reference: RBD-1856
Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load).. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI and Low Noise. Short Circuit Protection and Thermal...
Reference: RBD-1970
Brand: DFRobot
Version 2.0 More natural pronunciation Fewer pronunciation errors for polyphone characters No option of speakers
Reference: RBD-2097
5V Dc Power Supply Power indicator light The comparator output is light High Sensitivity Sound Microphone Sensor Detection Module Electric condenser microphone
Reference: RBD-2098
Big Microphone Sound Sensor Module Sound Detection Sensor Module High Sensitive Voice Sensor
Reference: RBD-0222
Sound pressure level: 85DB 10cmThe input voltage: 30vp-p maxUltra-thin and lightweightLow power consumption for voltage typeOperating Temperature: -20~70Storage Temperature: -30-80Clear sound
Reference: RBD-2235
Sound pressure level: 85DB 10cm The input voltage: 30vp-p max Operating Temperature: -20~70 Clear sound Ultra-thin and lightweight Low power consumption for voltage type
Reference: RBD-2236
Plate Diameter: 20mm Element Diameter: 14mm Plate Thickness: .42mm Lead Length: ~50mm Plate Material: Brass Resonant Frequency (kHz): 6.3 +/- .6kHz
Reference: RBD-2237
Sound pressure level: 85DB 10cm The input voltage: 30vp-p max Clear sound Ultra-thin and lightweight No contacts: therefore, no noise and highly reliable Operating Temperature: -20~70 Storage Temperature: -30-80
